题目内容

【C6】

A. target
B. level
C. efficiency
D. style

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【C5】

A. rank
B. process
C. field
D. style

解释爆炸概念，爆炸分为哪两种？

Weight concentration in which area will cause a vessel&39;s bottom to be subjected to tension stresses ()

Aft
B. Amidships
C. At both ends
D. Forward

【C9】

A. concern
B. worry
C. discuss
D. decide